Buddy Products 1.5 x 0.5 x 2.5 Inches Digital Hygrometer and Thermometer, Black (1546D) Digitally measures humidity and temperature Ready for display with magnet backing and fold-out stand for desktop Accuracy is +1/-1 degree Celcius (1.8 Fahrenheit) Built in stand for your desktop or can be placed on metal surfaces with the included magnet Battery included